639685956

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{45061}}^1$

素因数の和:45101

約数の個数: 72

約数和(自身を含む): 1847181504

約数和(自身を除く): 1207495548

約数列:

[1, 2, 3, 4, 6, 7, 12, 13, 14, 21, 26, 28, 39, 42, 52, 78, 84, 91, 156, 169, 182, 273, 338, 364, 507, 546, 676, 1014, 1092, 1183, 2028, 2366, 3549, 4732, 7098, 14196, 45061, 90122, 135183, 180244, 270366, 315427, 540732, 585793, 630854, 946281, 1171586, 1261708, 1757379, 1892562, 2343172, 3514758, 3785124, 4100551, 7029516, 7615309, 8201102, 12301653, 15230618, 16402204, 22845927, 24603306, 30461236, 45691854, 49206612, 53307163, 91383708, 106614326, 159921489, 213228652, 319842978, 639685956]

約数ペア:

[(1, 639685956), (2, 319842978), (3, 213228652), (4, 159921489), (6, 106614326), (7, 91383708), (12, 53307163), (13, 49206612), (14, 45691854), (21, 30461236), (26, 24603306), (28, 22845927), (39, 16402204), (42, 15230618), (52, 12301653), (78, 8201102), (84, 7615309), (91, 7029516), (156, 4100551), (169, 3785124), (182, 3514758), (273, 2343172), (338, 1892562), (364, 1757379), (507, 1261708), (546, 1171586), (676, 946281), (1014, 630854), (1092, 585793), (1183, 540732), (2028, 315427), (2366, 270366), (3549, 180244), (4732, 135183), (7098, 90122), (14196, 45061)]