31560976

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{197}}^1$

素因数の和:272

約数の個数: 80

約数和(自身を含む): 70709760

約数和(自身を除く): 39148784

約数列:

[1, 2, 4, 8, 16, 17, 19, 31, 34, 38, 62, 68, 76, 124, 136, 152, 197, 248, 272, 304, 323, 394, 496, 527, 589, 646, 788, 1054, 1178, 1292, 1576, 2108, 2356, 2584, 3152, 3349, 3743, 4216, 4712, 5168, 6107, 6698, 7486, 8432, 9424, 10013, 12214, 13396, 14972, 20026, 24428, 26792, 29944, 40052, 48856, 53584, 59888, 63631, 80104, 97712, 103819, 116033, 127262, 160208, 207638, 232066, 254524, 415276, 464132, 509048, 830552, 928264, 1018096, 1661104, 1856528, 1972561, 3945122, 7890244, 15780488, 31560976]

約数ペア:

[(1, 31560976), (2, 15780488), (4, 7890244), (8, 3945122), (16, 1972561), (17, 1856528), (19, 1661104), (31, 1018096), (34, 928264), (38, 830552), (62, 509048), (68, 464132), (76, 415276), (124, 254524), (136, 232066), (152, 207638), (197, 160208), (248, 127262), (272, 116033), (304, 103819), (323, 97712), (394, 80104), (496, 63631), (527, 59888), (589, 53584), (646, 48856), (788, 40052), (1054, 29944), (1178, 26792), (1292, 24428), (1576, 20026), (2108, 14972), (2356, 13396), (2584, 12214), (3152, 10013), (3349, 9424), (3743, 8432), (4216, 7486), (4712, 6698), (5168, 6107)]