17902768

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{83}}^1$

素因数の和:182

約数の個数: 80

約数和(自身を含む): 40684896

約数和(自身を除く): 22782128

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 34, 52, 61, 68, 83, 104, 122, 136, 166, 208, 221, 244, 272, 332, 442, 488, 664, 793, 884, 976, 1037, 1079, 1328, 1411, 1586, 1768, 2074, 2158, 2822, 3172, 3536, 4148, 4316, 5063, 5644, 6344, 8296, 8632, 10126, 11288, 12688, 13481, 16592, 17264, 18343, 20252, 22576, 26962, 36686, 40504, 53924, 65819, 73372, 81008, 86071, 107848, 131638, 146744, 172142, 215696, 263276, 293488, 344284, 526552, 688568, 1053104, 1118923, 1377136, 2237846, 4475692, 8951384, 17902768]

約数ペア:

[(1, 17902768), (2, 8951384), (4, 4475692), (8, 2237846), (13, 1377136), (16, 1118923), (17, 1053104), (26, 688568), (34, 526552), (52, 344284), (61, 293488), (68, 263276), (83, 215696), (104, 172142), (122, 146744), (136, 131638), (166, 107848), (208, 86071), (221, 81008), (244, 73372), (272, 65819), (332, 53924), (442, 40504), (488, 36686), (664, 26962), (793, 22576), (884, 20252), (976, 18343), (1037, 17264), (1079, 16592), (1328, 13481), (1411, 12688), (1586, 11288), (1768, 10126), (2074, 8632), (2158, 8296), (2822, 6344), (3172, 5644), (3536, 5063), (4148, 4316)]