639942192

素因数分解:

$2^4\times 3^2\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{3491}}^1$

素因数の和:3591

約数の個数: 120

約数和(自身を含む): 1913895360

約数和(自身を除く): 1273953168

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 19, 24, 36, 38, 48, 57, 67, 72, 76, 114, 134, 144, 152, 171, 201, 228, 268, 304, 342, 402, 456, 536, 603, 684, 804, 912, 1072, 1206, 1273, 1368, 1608, 2412, 2546, 2736, 3216, 3491, 3819, 4824, 5092, 6982, 7638, 9648, 10184, 10473, 11457, 13964, 15276, 20368, 20946, 22914, 27928, 30552, 31419, 41892, 45828, 55856, 61104, 62838, 66329, 83784, 91656, 125676, 132658, 167568, 183312, 198987, 233897, 251352, 265316, 397974, 467794, 502704, 530632, 596961, 701691, 795948, 935588, 1061264, 1193922, 1403382, 1591896, 1871176, 2105073, 2387844, 2806764, 3183792, 3742352, 4210146, 4444043, 4775688, 5613528, 8420292, 8888086, 9551376, 11227056, 13332129, 16840584, 17776172, 26664258, 33681168, 35552344, 39996387, 53328516, 71104688, 79992774, 106657032, 159985548, 213314064, 319971096, 639942192]

約数ペア:

[(1, 639942192), (2, 319971096), (3, 213314064), (4, 159985548), (6, 106657032), (8, 79992774), (9, 71104688), (12, 53328516), (16, 39996387), (18, 35552344), (19, 33681168), (24, 26664258), (36, 17776172), (38, 16840584), (48, 13332129), (57, 11227056), (67, 9551376), (72, 8888086), (76, 8420292), (114, 5613528), (134, 4775688), (144, 4444043), (152, 4210146), (171, 3742352), (201, 3183792), (228, 2806764), (268, 2387844), (304, 2105073), (342, 1871176), (402, 1591896), (456, 1403382), (536, 1193922), (603, 1061264), (684, 935588), (804, 795948), (912, 701691), (1072, 596961), (1206, 530632), (1273, 502704), (1368, 467794), (1608, 397974), (2412, 265316), (2546, 251352), (2736, 233897), (3216, 198987), (3491, 183312), (3819, 167568), (4824, 132658), (5092, 125676), (6982, 91656), (7638, 83784), (9648, 66329), (10184, 62838), (10473, 61104), (11457, 55856), (13964, 45828), (15276, 41892), (20368, 31419), (20946, 30552), (22914, 27928)]