388889793584

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{137}}^1\times {\mathrm{401}}^1\times {\mathrm{10289}}^1$

素因数の和:10878

約数の個数: 80

約数和(自身を含む): 778636726560

約数和(自身を除く): 389746932976

約数列:

[1, 2, 4, 8, 16, 43, 86, 137, 172, 274, 344, 401, 548, 688, 802, 1096, 1604, 2192, 3208, 5891, 6416, 10289, 11782, 17243, 20578, 23564, 34486, 41156, 47128, 54937, 68972, 82312, 94256, 109874, 137944, 164624, 219748, 275888, 439496, 442427, 878992, 884854, 1409593, 1769708, 2362291, 2819186, 3539416, 4125889, 4724582, 5638372, 7078832, 8251778, 9449164, 11276744, 16503556, 18898328, 22553488, 33007112, 37796656, 60612499, 66014224, 121224998, 177413227, 242449996, 354826454, 484899992, 565246793, 709652908, 969799984, 1130493586, 1419305816, 2260987172, 2838611632, 4521974344, 9043948688, 24305612099, 48611224198, 97222448396, 194444896792, 388889793584]

約数ペア:

[(1, 388889793584), (2, 194444896792), (4, 97222448396), (8, 48611224198), (16, 24305612099), (43, 9043948688), (86, 4521974344), (137, 2838611632), (172, 2260987172), (274, 1419305816), (344, 1130493586), (401, 969799984), (548, 709652908), (688, 565246793), (802, 484899992), (1096, 354826454), (1604, 242449996), (2192, 177413227), (3208, 121224998), (5891, 66014224), (6416, 60612499), (10289, 37796656), (11782, 33007112), (17243, 22553488), (20578, 18898328), (23564, 16503556), (34486, 11276744), (41156, 9449164), (47128, 8251778), (54937, 7078832), (68972, 5638372), (82312, 4724582), (94256, 4125889), (109874, 3539416), (137944, 2819186), (164624, 2362291), (219748, 1769708), (275888, 1409593), (439496, 884854), (442427, 878992)]