721018956

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{3793}}^1$

素因数の和:3911

約数の個数: 96

約数和(自身を含む): 2012459008

約数和(自身を除く): 1291440052

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 31, 42, 62, 73, 84, 93, 124, 146, 186, 217, 219, 292, 372, 434, 438, 511, 651, 868, 876, 1022, 1302, 1533, 2044, 2263, 2604, 3066, 3793, 4526, 6132, 6789, 7586, 9052, 11379, 13578, 15172, 15841, 22758, 26551, 27156, 31682, 45516, 47523, 53102, 63364, 79653, 95046, 106204, 117583, 159306, 190092, 235166, 276889, 318612, 352749, 470332, 553778, 705498, 823081, 830667, 1107556, 1410996, 1646162, 1661334, 1938223, 2469243, 3292324, 3322668, 3876446, 4938486, 5814669, 7752892, 8583559, 9876972, 11629338, 17167118, 23258676, 25750677, 34334236, 51501354, 60084913, 103002708, 120169826, 180254739, 240339652, 360509478, 721018956]

約数ペア:

[(1, 721018956), (2, 360509478), (3, 240339652), (4, 180254739), (6, 120169826), (7, 103002708), (12, 60084913), (14, 51501354), (21, 34334236), (28, 25750677), (31, 23258676), (42, 17167118), (62, 11629338), (73, 9876972), (84, 8583559), (93, 7752892), (124, 5814669), (146, 4938486), (186, 3876446), (217, 3322668), (219, 3292324), (292, 2469243), (372, 1938223), (434, 1661334), (438, 1646162), (511, 1410996), (651, 1107556), (868, 830667), (876, 823081), (1022, 705498), (1302, 553778), (1533, 470332), (2044, 352749), (2263, 318612), (2604, 276889), (3066, 235166), (3793, 190092), (4526, 159306), (6132, 117583), (6789, 106204), (7586, 95046), (9052, 79653), (11379, 63364), (13578, 53102), (15172, 47523), (15841, 45516), (22758, 31682), (26551, 27156)]