31223556

素因数分解:

$2^2\times 3^5\times 7^1\times {\mathrm{13}}^1\times {\mathrm{353}}^1$

素因数の和:392

約数の個数: 144

約数和(自身を含む): 101023104

約数和(自身を除く): 69799548

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 13, 14, 18, 21, 26, 27, 28, 36, 39, 42, 52, 54, 63, 78, 81, 84, 91, 108, 117, 126, 156, 162, 182, 189, 234, 243, 252, 273, 324, 351, 353, 364, 378, 468, 486, 546, 567, 702, 706, 756, 819, 972, 1053, 1059, 1092, 1134, 1404, 1412, 1638, 1701, 2106, 2118, 2268, 2457, 2471, 3159, 3177, 3276, 3402, 4212, 4236, 4589, 4914, 4942, 6318, 6354, 6804, 7371, 7413, 9178, 9531, 9828, 9884, 12636, 12708, 13767, 14742, 14826, 18356, 19062, 22113, 22239, 27534, 28593, 29484, 29652, 32123, 38124, 41301, 44226, 44478, 55068, 57186, 64246, 66717, 82602, 85779, 88452, 88956, 96369, 114372, 123903, 128492, 133434, 165204, 171558, 192738, 200151, 247806, 266868, 289107, 343116, 371709, 385476, 400302, 495612, 578214, 600453, 743418, 800604, 867321, 1115127, 1156428, 1200906, 1486836, 1734642, 2230254, 2401812, 2601963, 3469284, 4460508, 5203926, 7805889, 10407852, 15611778, 31223556]

約数ペア:

[(1, 31223556), (2, 15611778), (3, 10407852), (4, 7805889), (6, 5203926), (7, 4460508), (9, 3469284), (12, 2601963), (13, 2401812), (14, 2230254), (18, 1734642), (21, 1486836), (26, 1200906), (27, 1156428), (28, 1115127), (36, 867321), (39, 800604), (42, 743418), (52, 600453), (54, 578214), (63, 495612), (78, 400302), (81, 385476), (84, 371709), (91, 343116), (108, 289107), (117, 266868), (126, 247806), (156, 200151), (162, 192738), (182, 171558), (189, 165204), (234, 133434), (243, 128492), (252, 123903), (273, 114372), (324, 96369), (351, 88956), (353, 88452), (364, 85779), (378, 82602), (468, 66717), (486, 64246), (546, 57186), (567, 55068), (702, 44478), (706, 44226), (756, 41301), (819, 38124), (972, 32123), (1053, 29652), (1059, 29484), (1092, 28593), (1134, 27534), (1404, 22239), (1412, 22113), (1638, 19062), (1701, 18356), (2106, 14826), (2118, 14742), (2268, 13767), (2457, 12708), (2471, 12636), (3159, 9884), (3177, 9828), (3276, 9531), (3402, 9178), (4212, 7413), (4236, 7371), (4589, 6804), (4914, 6354), (4942, 6318)]