31018988

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{127}}^1$

素因数の和:223

約数の個数: 96

約数和(自身を含む): 74661888

約数和(自身を除く): 43642900

約数列:

[1, 2, 4, 7, 11, 13, 14, 22, 26, 28, 44, 52, 61, 77, 91, 122, 127, 143, 154, 182, 244, 254, 286, 308, 364, 427, 508, 572, 671, 793, 854, 889, 1001, 1342, 1397, 1586, 1651, 1708, 1778, 2002, 2684, 2794, 3172, 3302, 3556, 4004, 4697, 5551, 5588, 6604, 7747, 8723, 9394, 9779, 11102, 11557, 15494, 17446, 18161, 18788, 19558, 22204, 23114, 30988, 34892, 36322, 39116, 46228, 54229, 61061, 72644, 85217, 100711, 108458, 122122, 127127, 170434, 201422, 216916, 244244, 254254, 340868, 402844, 508508, 596519, 704977, 1107821, 1193038, 1409954, 2215642, 2386076, 2819908, 4431284, 7754747, 15509494, 31018988]

約数ペア:

[(1, 31018988), (2, 15509494), (4, 7754747), (7, 4431284), (11, 2819908), (13, 2386076), (14, 2215642), (22, 1409954), (26, 1193038), (28, 1107821), (44, 704977), (52, 596519), (61, 508508), (77, 402844), (91, 340868), (122, 254254), (127, 244244), (143, 216916), (154, 201422), (182, 170434), (244, 127127), (254, 122122), (286, 108458), (308, 100711), (364, 85217), (427, 72644), (508, 61061), (572, 54229), (671, 46228), (793, 39116), (854, 36322), (889, 34892), (1001, 30988), (1342, 23114), (1397, 22204), (1586, 19558), (1651, 18788), (1708, 18161), (1778, 17446), (2002, 15494), (2684, 11557), (2794, 11102), (3172, 9779), (3302, 9394), (3556, 8723), (4004, 7747), (4697, 6604), (5551, 5588)]