870839268

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{131}}^1\times {\mathrm{991}}^1$

素因数の和:1185

約数の個数: 96

約数和(自身を含む): 2258522112

約数和(自身を除く): 1387682844

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 43, 52, 78, 86, 129, 131, 156, 172, 258, 262, 393, 516, 524, 559, 786, 991, 1118, 1572, 1677, 1703, 1982, 2236, 2973, 3354, 3406, 3964, 5109, 5633, 5946, 6708, 6812, 10218, 11266, 11892, 12883, 16899, 20436, 22532, 25766, 33798, 38649, 42613, 51532, 67596, 73229, 77298, 85226, 127839, 129821, 146458, 154596, 170452, 219687, 255678, 259642, 292916, 389463, 439374, 511356, 519284, 553969, 778926, 878748, 1107938, 1557852, 1661907, 1687673, 2215876, 3323814, 3375346, 5063019, 5582303, 6647628, 6750692, 10126038, 11164606, 16746909, 20252076, 22329212, 33493818, 66987636, 72569939, 145139878, 217709817, 290279756, 435419634, 870839268]

約数ペア:

[(1, 870839268), (2, 435419634), (3, 290279756), (4, 217709817), (6, 145139878), (12, 72569939), (13, 66987636), (26, 33493818), (39, 22329212), (43, 20252076), (52, 16746909), (78, 11164606), (86, 10126038), (129, 6750692), (131, 6647628), (156, 5582303), (172, 5063019), (258, 3375346), (262, 3323814), (393, 2215876), (516, 1687673), (524, 1661907), (559, 1557852), (786, 1107938), (991, 878748), (1118, 778926), (1572, 553969), (1677, 519284), (1703, 511356), (1982, 439374), (2236, 389463), (2973, 292916), (3354, 259642), (3406, 255678), (3964, 219687), (5109, 170452), (5633, 154596), (5946, 146458), (6708, 129821), (6812, 127839), (10218, 85226), (11266, 77298), (11892, 73229), (12883, 67596), (16899, 51532), (20436, 42613), (22532, 38649), (25766, 33798)]