77981058

素因数分解:

$2^1\times 3^2\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{79}}^1$

素因数の和:208

約数の個数: 96

約数和(自身を含む): 185702400

約数和(自身を除く): 107721342

約数列:

[1, 2, 3, 6, 9, 18, 29, 31, 58, 61, 62, 79, 87, 93, 122, 158, 174, 183, 186, 237, 261, 279, 366, 474, 522, 549, 558, 711, 899, 1098, 1422, 1769, 1798, 1891, 2291, 2449, 2697, 3538, 3782, 4582, 4819, 4898, 5307, 5394, 5673, 6873, 7347, 8091, 9638, 10614, 11346, 13746, 14457, 14694, 15921, 16182, 17019, 20619, 22041, 28914, 31842, 34038, 41238, 43371, 44082, 54839, 71021, 86742, 109678, 139751, 142042, 149389, 164517, 213063, 279502, 298778, 329034, 419253, 426126, 448167, 493551, 639189, 838506, 896334, 987102, 1257759, 1278378, 1344501, 2515518, 2689002, 4332281, 8664562, 12996843, 25993686, 38990529, 77981058]

約数ペア:

[(1, 77981058), (2, 38990529), (3, 25993686), (6, 12996843), (9, 8664562), (18, 4332281), (29, 2689002), (31, 2515518), (58, 1344501), (61, 1278378), (62, 1257759), (79, 987102), (87, 896334), (93, 838506), (122, 639189), (158, 493551), (174, 448167), (183, 426126), (186, 419253), (237, 329034), (261, 298778), (279, 279502), (366, 213063), (474, 164517), (522, 149389), (549, 142042), (558, 139751), (711, 109678), (899, 86742), (1098, 71021), (1422, 54839), (1769, 44082), (1798, 43371), (1891, 41238), (2291, 34038), (2449, 31842), (2697, 28914), (3538, 22041), (3782, 20619), (4582, 17019), (4819, 16182), (4898, 15921), (5307, 14694), (5394, 14457), (5673, 13746), (6873, 11346), (7347, 10614), (8091, 9638)]