641277018

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{61}}^1\times {\mathrm{521}}^1$

素因数の和:668

約数の個数: 96

約数和(自身を含む): 1514635200

約数和(自身を除く): 873358182

約数列:

[1, 2, 3, 6, 9, 18, 19, 38, 57, 59, 61, 114, 118, 122, 171, 177, 183, 342, 354, 366, 521, 531, 549, 1042, 1062, 1098, 1121, 1159, 1563, 2242, 2318, 3126, 3363, 3477, 3599, 4689, 6726, 6954, 7198, 9378, 9899, 10089, 10431, 10797, 19798, 20178, 20862, 21594, 29697, 30739, 31781, 32391, 59394, 61478, 63562, 64782, 68381, 89091, 92217, 95343, 136762, 178182, 184434, 190686, 205143, 276651, 286029, 410286, 553302, 572058, 584041, 603839, 615429, 1168082, 1207678, 1230858, 1752123, 1811517, 1875079, 3504246, 3623034, 3750158, 5256369, 5434551, 5625237, 10512738, 10869102, 11250474, 16875711, 33751422, 35626501, 71253002, 106879503, 213759006, 320638509, 641277018]

約数ペア:

[(1, 641277018), (2, 320638509), (3, 213759006), (6, 106879503), (9, 71253002), (18, 35626501), (19, 33751422), (38, 16875711), (57, 11250474), (59, 10869102), (61, 10512738), (114, 5625237), (118, 5434551), (122, 5256369), (171, 3750158), (177, 3623034), (183, 3504246), (342, 1875079), (354, 1811517), (366, 1752123), (521, 1230858), (531, 1207678), (549, 1168082), (1042, 615429), (1062, 603839), (1098, 584041), (1121, 572058), (1159, 553302), (1563, 410286), (2242, 286029), (2318, 276651), (3126, 205143), (3363, 190686), (3477, 184434), (3599, 178182), (4689, 136762), (6726, 95343), (6954, 92217), (7198, 89091), (9378, 68381), (9899, 64782), (10089, 63562), (10431, 61478), (10797, 59394), (19798, 32391), (20178, 31781), (20862, 30739), (21594, 29697)]