81960536

素因数分解:

$2^3\times 7^4\times {\mathrm{17}}^1\times {\mathrm{251}}^1$

素因数の和:302

約数の個数: 80

約数和(自身を含む): 190580040

約数和(自身を除く): 108619504

約数列:

[1, 2, 4, 7, 8, 14, 17, 28, 34, 49, 56, 68, 98, 119, 136, 196, 238, 251, 343, 392, 476, 502, 686, 833, 952, 1004, 1372, 1666, 1757, 2008, 2401, 2744, 3332, 3514, 4267, 4802, 5831, 6664, 7028, 8534, 9604, 11662, 12299, 14056, 17068, 19208, 23324, 24598, 29869, 34136, 40817, 46648, 49196, 59738, 81634, 86093, 98392, 119476, 163268, 172186, 209083, 238952, 326536, 344372, 418166, 602651, 688744, 836332, 1205302, 1463581, 1672664, 2410604, 2927162, 4821208, 5854324, 10245067, 11708648, 20490134, 40980268, 81960536]

約数ペア:

[(1, 81960536), (2, 40980268), (4, 20490134), (7, 11708648), (8, 10245067), (14, 5854324), (17, 4821208), (28, 2927162), (34, 2410604), (49, 1672664), (56, 1463581), (68, 1205302), (98, 836332), (119, 688744), (136, 602651), (196, 418166), (238, 344372), (251, 326536), (343, 238952), (392, 209083), (476, 172186), (502, 163268), (686, 119476), (833, 98392), (952, 86093), (1004, 81634), (1372, 59738), (1666, 49196), (1757, 46648), (2008, 40817), (2401, 34136), (2744, 29869), (3332, 24598), (3514, 23324), (4267, 19208), (4802, 17068), (5831, 14056), (6664, 12299), (7028, 11662), (8534, 9604)]