87655568

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{421}}^1$

素因数の和:473

約数の個数: 120

約数和(自身を含む): 229824576

約数和(自身を除く): 142169008

約数列:

[1, 2, 4, 7, 8, 11, 13, 14, 16, 22, 26, 28, 44, 52, 56, 77, 88, 91, 104, 112, 143, 154, 169, 176, 182, 208, 286, 308, 338, 364, 421, 572, 616, 676, 728, 842, 1001, 1144, 1183, 1232, 1352, 1456, 1684, 1859, 2002, 2288, 2366, 2704, 2947, 3368, 3718, 4004, 4631, 4732, 5473, 5894, 6736, 7436, 8008, 9262, 9464, 10946, 11788, 13013, 14872, 16016, 18524, 18928, 21892, 23576, 26026, 29744, 32417, 37048, 38311, 43784, 47152, 52052, 60203, 64834, 71149, 74096, 76622, 87568, 104104, 120406, 129668, 142298, 153244, 208208, 240812, 259336, 284596, 306488, 421421, 481624, 498043, 518672, 569192, 612976, 782639, 842842, 963248, 996086, 1138384, 1565278, 1685684, 1992172, 3130556, 3371368, 3984344, 5478473, 6261112, 6742736, 7968688, 10956946, 12522224, 21913892, 43827784, 87655568]

約数ペア:

[(1, 87655568), (2, 43827784), (4, 21913892), (7, 12522224), (8, 10956946), (11, 7968688), (13, 6742736), (14, 6261112), (16, 5478473), (22, 3984344), (26, 3371368), (28, 3130556), (44, 1992172), (52, 1685684), (56, 1565278), (77, 1138384), (88, 996086), (91, 963248), (104, 842842), (112, 782639), (143, 612976), (154, 569192), (169, 518672), (176, 498043), (182, 481624), (208, 421421), (286, 306488), (308, 284596), (338, 259336), (364, 240812), (421, 208208), (572, 153244), (616, 142298), (676, 129668), (728, 120406), (842, 104104), (1001, 87568), (1144, 76622), (1183, 74096), (1232, 71149), (1352, 64834), (1456, 60203), (1684, 52052), (1859, 47152), (2002, 43784), (2288, 38311), (2366, 37048), (2704, 32417), (2947, 29744), (3368, 26026), (3718, 23576), (4004, 21892), (4631, 18928), (4732, 18524), (5473, 16016), (5894, 14872), (6736, 13013), (7436, 11788), (8008, 10946), (9262, 9464)]