291938868

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{163}}^1$

素因数の和:318

約数の個数: 144

約数和(自身を含む): 827386560

約数和(自身を除く): 535447692

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 43, 52, 78, 86, 89, 117, 129, 156, 163, 172, 178, 234, 258, 267, 326, 356, 387, 468, 489, 516, 534, 559, 652, 774, 801, 978, 1068, 1118, 1157, 1467, 1548, 1602, 1677, 1956, 2119, 2236, 2314, 2934, 3204, 3354, 3471, 3827, 4238, 4628, 5031, 5868, 6357, 6708, 6942, 7009, 7654, 8476, 10062, 10413, 11481, 12714, 13884, 14018, 14507, 15308, 19071, 20124, 20826, 21027, 22962, 25428, 28036, 29014, 34443, 38142, 41652, 42054, 43521, 45924, 49751, 58028, 63081, 68886, 76284, 84108, 87042, 91117, 99502, 126162, 130563, 137772, 149253, 174084, 182234, 188591, 199004, 252324, 261126, 273351, 298506, 364468, 377182, 447759, 522252, 546702, 565773, 597012, 623801, 754364, 820053, 895518, 1093404, 1131546, 1247602, 1640106, 1697319, 1791036, 1871403, 2263092, 2495204, 3280212, 3394638, 3742806, 5614209, 6789276, 7485612, 8109413, 11228418, 16218826, 22456836, 24328239, 32437652, 48656478, 72984717, 97312956, 145969434, 291938868]

約数ペア:

[(1, 291938868), (2, 145969434), (3, 97312956), (4, 72984717), (6, 48656478), (9, 32437652), (12, 24328239), (13, 22456836), (18, 16218826), (26, 11228418), (36, 8109413), (39, 7485612), (43, 6789276), (52, 5614209), (78, 3742806), (86, 3394638), (89, 3280212), (117, 2495204), (129, 2263092), (156, 1871403), (163, 1791036), (172, 1697319), (178, 1640106), (234, 1247602), (258, 1131546), (267, 1093404), (326, 895518), (356, 820053), (387, 754364), (468, 623801), (489, 597012), (516, 565773), (534, 546702), (559, 522252), (652, 447759), (774, 377182), (801, 364468), (978, 298506), (1068, 273351), (1118, 261126), (1157, 252324), (1467, 199004), (1548, 188591), (1602, 182234), (1677, 174084), (1956, 149253), (2119, 137772), (2236, 130563), (2314, 126162), (2934, 99502), (3204, 91117), (3354, 87042), (3471, 84108), (3827, 76284), (4238, 68886), (4628, 63081), (5031, 58028), (5868, 49751), (6357, 45924), (6708, 43521), (6942, 42054), (7009, 41652), (7654, 38142), (8476, 34443), (10062, 29014), (10413, 28036), (11481, 25428), (12714, 22962), (13884, 21027), (14018, 20826), (14507, 20124), (15308, 19071)]