31382988

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{991}}^1$

素因数の和:1047

約数の個数: 96

約数和(自身を含む): 93327360

約数和(自身を除く): 61944372

約数列:

[1, 2, 3, 4, 6, 7, 12, 13, 14, 21, 26, 28, 29, 39, 42, 52, 58, 78, 84, 87, 91, 116, 156, 174, 182, 203, 273, 348, 364, 377, 406, 546, 609, 754, 812, 991, 1092, 1131, 1218, 1508, 1982, 2262, 2436, 2639, 2973, 3964, 4524, 5278, 5946, 6937, 7917, 10556, 11892, 12883, 13874, 15834, 20811, 25766, 27748, 28739, 31668, 38649, 41622, 51532, 57478, 77298, 83244, 86217, 90181, 114956, 154596, 172434, 180362, 201173, 270543, 344868, 360724, 373607, 402346, 541086, 603519, 747214, 804692, 1082172, 1120821, 1207038, 1494428, 2241642, 2414076, 2615249, 4483284, 5230498, 7845747, 10460996, 15691494, 31382988]

約数ペア:

[(1, 31382988), (2, 15691494), (3, 10460996), (4, 7845747), (6, 5230498), (7, 4483284), (12, 2615249), (13, 2414076), (14, 2241642), (21, 1494428), (26, 1207038), (28, 1120821), (29, 1082172), (39, 804692), (42, 747214), (52, 603519), (58, 541086), (78, 402346), (84, 373607), (87, 360724), (91, 344868), (116, 270543), (156, 201173), (174, 180362), (182, 172434), (203, 154596), (273, 114956), (348, 90181), (364, 86217), (377, 83244), (406, 77298), (546, 57478), (609, 51532), (754, 41622), (812, 38649), (991, 31668), (1092, 28739), (1131, 27748), (1218, 25766), (1508, 20811), (1982, 15834), (2262, 13874), (2436, 12883), (2639, 11892), (2973, 10556), (3964, 7917), (4524, 6937), (5278, 5946)]