123897904

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{947}}^1$

素因数の和:1022

約数の個数: 80

約数和(自身を含む): 281419488

約数和(自身を除く): 157521584

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 34, 37, 52, 68, 74, 104, 136, 148, 208, 221, 272, 296, 442, 481, 592, 629, 884, 947, 962, 1258, 1768, 1894, 1924, 2516, 3536, 3788, 3848, 5032, 7576, 7696, 8177, 10064, 12311, 15152, 16099, 16354, 24622, 32198, 32708, 35039, 49244, 64396, 65416, 70078, 98488, 128792, 130832, 140156, 196976, 209287, 257584, 280312, 418574, 455507, 560624, 595663, 837148, 911014, 1191326, 1674296, 1822028, 2382652, 3348592, 3644056, 4765304, 7288112, 7743619, 9530608, 15487238, 30974476, 61948952, 123897904]

約数ペア:

[(1, 123897904), (2, 61948952), (4, 30974476), (8, 15487238), (13, 9530608), (16, 7743619), (17, 7288112), (26, 4765304), (34, 3644056), (37, 3348592), (52, 2382652), (68, 1822028), (74, 1674296), (104, 1191326), (136, 911014), (148, 837148), (208, 595663), (221, 560624), (272, 455507), (296, 418574), (442, 280312), (481, 257584), (592, 209287), (629, 196976), (884, 140156), (947, 130832), (962, 128792), (1258, 98488), (1768, 70078), (1894, 65416), (1924, 64396), (2516, 49244), (3536, 35039), (3788, 32708), (3848, 32198), (5032, 24622), (7576, 16354), (7696, 16099), (8177, 15152), (10064, 12311)]