27978444

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{191}}^1\times {\mathrm{313}}^1$

素因数の和:527

約数の個数: 72

約数和(自身を含む): 76806912

約数和(自身を除く): 48828468

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 191, 234, 313, 382, 468, 573, 626, 764, 939, 1146, 1252, 1719, 1878, 2292, 2483, 2817, 3438, 3756, 4069, 4966, 5634, 6876, 7449, 8138, 9932, 11268, 12207, 14898, 16276, 22347, 24414, 29796, 36621, 44694, 48828, 59783, 73242, 89388, 119566, 146484, 179349, 239132, 358698, 538047, 717396, 777179, 1076094, 1554358, 2152188, 2331537, 3108716, 4663074, 6994611, 9326148, 13989222, 27978444]

約数ペア:

[(1, 27978444), (2, 13989222), (3, 9326148), (4, 6994611), (6, 4663074), (9, 3108716), (12, 2331537), (13, 2152188), (18, 1554358), (26, 1076094), (36, 777179), (39, 717396), (52, 538047), (78, 358698), (117, 239132), (156, 179349), (191, 146484), (234, 119566), (313, 89388), (382, 73242), (468, 59783), (573, 48828), (626, 44694), (764, 36621), (939, 29796), (1146, 24414), (1252, 22347), (1719, 16276), (1878, 14898), (2292, 12207), (2483, 11268), (2817, 9932), (3438, 8138), (3756, 7449), (4069, 6876), (4966, 5634)]