155537368

素因数分解:

$2^3\times 7^2\times {\mathrm{619}}^1\times {\mathrm{641}}^1$

素因数の和:1280

約数の個数: 48

約数和(自身を含む): 340324200

約数和(自身を除く): 184786832

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 98, 196, 392, 619, 641, 1238, 1282, 2476, 2564, 4333, 4487, 4952, 5128, 8666, 8974, 17332, 17948, 30331, 31409, 34664, 35896, 60662, 62818, 121324, 125636, 242648, 251272, 396779, 793558, 1587116, 2777453, 3174232, 5554906, 11109812, 19442171, 22219624, 38884342, 77768684, 155537368]

約数ペア:

[(1, 155537368), (2, 77768684), (4, 38884342), (7, 22219624), (8, 19442171), (14, 11109812), (28, 5554906), (49, 3174232), (56, 2777453), (98, 1587116), (196, 793558), (392, 396779), (619, 251272), (641, 242648), (1238, 125636), (1282, 121324), (2476, 62818), (2564, 60662), (4333, 35896), (4487, 34664), (4952, 31409), (5128, 30331), (8666, 17948), (8974, 17332)]