261169792

素因数分解:

$2^7\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{83}}^1$

素因数の和:202

約数の個数: 128

約数和(自身を含む): 594961920

約数和(自身を除く): 333792128

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 32, 52, 61, 62, 64, 83, 104, 122, 124, 128, 166, 208, 244, 248, 332, 403, 416, 488, 496, 664, 793, 806, 832, 976, 992, 1079, 1328, 1586, 1612, 1664, 1891, 1952, 1984, 2158, 2573, 2656, 3172, 3224, 3782, 3904, 3968, 4316, 5063, 5146, 5312, 6344, 6448, 7564, 7808, 8632, 10126, 10292, 10624, 12688, 12896, 15128, 17264, 20252, 20584, 24583, 25376, 25792, 30256, 33449, 34528, 40504, 41168, 49166, 50752, 51584, 60512, 65819, 66898, 69056, 81008, 82336, 98332, 101504, 121024, 131638, 133796, 138112, 156953, 162016, 164672, 196664, 242048, 263276, 267592, 313906, 324032, 329344, 393328, 526552, 535184, 627812, 648064, 786656, 1053104, 1070368, 1255624, 1573312, 2040389, 2106208, 2140736, 2511248, 3146624, 4080778, 4212416, 4281472, 5022496, 8161556, 8424832, 10044992, 16323112, 20089984, 32646224, 65292448, 130584896, 261169792]

約数ペア:

[(1, 261169792), (2, 130584896), (4, 65292448), (8, 32646224), (13, 20089984), (16, 16323112), (26, 10044992), (31, 8424832), (32, 8161556), (52, 5022496), (61, 4281472), (62, 4212416), (64, 4080778), (83, 3146624), (104, 2511248), (122, 2140736), (124, 2106208), (128, 2040389), (166, 1573312), (208, 1255624), (244, 1070368), (248, 1053104), (332, 786656), (403, 648064), (416, 627812), (488, 535184), (496, 526552), (664, 393328), (793, 329344), (806, 324032), (832, 313906), (976, 267592), (992, 263276), (1079, 242048), (1328, 196664), (1586, 164672), (1612, 162016), (1664, 156953), (1891, 138112), (1952, 133796), (1984, 131638), (2158, 121024), (2573, 101504), (2656, 98332), (3172, 82336), (3224, 81008), (3782, 69056), (3904, 66898), (3968, 65819), (4316, 60512), (5063, 51584), (5146, 50752), (5312, 49166), (6344, 41168), (6448, 40504), (7564, 34528), (7808, 33449), (8632, 30256), (10126, 25792), (10292, 25376), (10624, 24583), (12688, 20584), (12896, 20252), (15128, 17264)]