256594832

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{89}}^1\times {\mathrm{167}}^1$

素因数の和:360

約数の個数: 80

約数和(自身を含む): 551214720

約数和(自身を除く): 294619888

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 83, 89, 104, 166, 167, 178, 208, 332, 334, 356, 664, 668, 712, 1079, 1157, 1328, 1336, 1424, 2158, 2171, 2314, 2672, 4316, 4342, 4628, 7387, 8632, 8684, 9256, 13861, 14774, 14863, 17264, 17368, 18512, 27722, 29548, 29726, 34736, 55444, 59096, 59452, 96031, 110888, 118192, 118904, 180193, 192062, 193219, 221776, 237808, 360386, 384124, 386438, 720772, 768248, 772876, 1233629, 1441544, 1536496, 1545752, 2467258, 2883088, 3091504, 4934516, 9869032, 16037177, 19738064, 32074354, 64148708, 128297416, 256594832]

約数ペア:

[(1, 256594832), (2, 128297416), (4, 64148708), (8, 32074354), (13, 19738064), (16, 16037177), (26, 9869032), (52, 4934516), (83, 3091504), (89, 2883088), (104, 2467258), (166, 1545752), (167, 1536496), (178, 1441544), (208, 1233629), (332, 772876), (334, 768248), (356, 720772), (664, 386438), (668, 384124), (712, 360386), (1079, 237808), (1157, 221776), (1328, 193219), (1336, 192062), (1424, 180193), (2158, 118904), (2171, 118192), (2314, 110888), (2672, 96031), (4316, 59452), (4342, 59096), (4628, 55444), (7387, 34736), (8632, 29726), (8684, 29548), (9256, 27722), (13861, 18512), (14774, 17368), (14863, 17264)]