71318552

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{67}}^1\times {\mathrm{149}}^1$

素因数の和:288

約数の個数: 64

約数和(自身を含む): 146880000

約数和(自身を除く): 75561448

約数列:

[1, 2, 4, 8, 19, 38, 47, 67, 76, 94, 134, 149, 152, 188, 268, 298, 376, 536, 596, 893, 1192, 1273, 1786, 2546, 2831, 3149, 3572, 5092, 5662, 6298, 7003, 7144, 9983, 10184, 11324, 12596, 14006, 19966, 22648, 25192, 28012, 39932, 56024, 59831, 79864, 119662, 133057, 189677, 239324, 266114, 379354, 469201, 478648, 532228, 758708, 938402, 1064456, 1517416, 1876804, 3753608, 8914819, 17829638, 35659276, 71318552]

約数ペア:

[(1, 71318552), (2, 35659276), (4, 17829638), (8, 8914819), (19, 3753608), (38, 1876804), (47, 1517416), (67, 1064456), (76, 938402), (94, 758708), (134, 532228), (149, 478648), (152, 469201), (188, 379354), (268, 266114), (298, 239324), (376, 189677), (536, 133057), (596, 119662), (893, 79864), (1192, 59831), (1273, 56024), (1786, 39932), (2546, 28012), (2831, 25192), (3149, 22648), (3572, 19966), (5092, 14006), (5662, 12596), (6298, 11324), (7003, 10184), (7144, 9983)]