72861428

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{67}}^1\times {\mathrm{349}}^1$

素因数の和:480

約数の個数: 48

約数和(自身を含む): 139944000

約数和(自身を除く): 67082572

約数列:

[1, 2, 4, 19, 38, 41, 67, 76, 82, 134, 164, 268, 349, 698, 779, 1273, 1396, 1558, 2546, 2747, 3116, 5092, 5494, 6631, 10988, 13262, 14309, 23383, 26524, 28618, 46766, 52193, 57236, 93532, 104386, 208772, 271871, 444277, 543742, 888554, 958703, 1087484, 1777108, 1917406, 3834812, 18215357, 36430714, 72861428]

約数ペア:

[(1, 72861428), (2, 36430714), (4, 18215357), (19, 3834812), (38, 1917406), (41, 1777108), (67, 1087484), (76, 958703), (82, 888554), (134, 543742), (164, 444277), (268, 271871), (349, 208772), (698, 104386), (779, 93532), (1273, 57236), (1396, 52193), (1558, 46766), (2546, 28618), (2747, 26524), (3116, 23383), (5092, 14309), (5494, 13262), (6631, 10988)]