251637932

素因数分解:

$2^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{1619}}^1$

素因数の和:1711

約数の個数: 72

約数和(自身を含む): 561057840

約数和(自身を除く): 309419908

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 49, 52, 61, 91, 98, 122, 182, 196, 244, 364, 427, 637, 793, 854, 1274, 1586, 1619, 1708, 2548, 2989, 3172, 3238, 5551, 5978, 6476, 11102, 11333, 11956, 21047, 22204, 22666, 38857, 42094, 45332, 77714, 79331, 84188, 98759, 147329, 155428, 158662, 197518, 294658, 317324, 395036, 589316, 691313, 1031303, 1283867, 1382626, 2062606, 2567734, 2765252, 4125212, 4839191, 5135468, 8987069, 9678382, 17974138, 19356764, 35948276, 62909483, 125818966, 251637932]

約数ペア:

[(1, 251637932), (2, 125818966), (4, 62909483), (7, 35948276), (13, 19356764), (14, 17974138), (26, 9678382), (28, 8987069), (49, 5135468), (52, 4839191), (61, 4125212), (91, 2765252), (98, 2567734), (122, 2062606), (182, 1382626), (196, 1283867), (244, 1031303), (364, 691313), (427, 589316), (637, 395036), (793, 317324), (854, 294658), (1274, 197518), (1586, 158662), (1619, 155428), (1708, 147329), (2548, 98759), (2989, 84188), (3172, 79331), (3238, 77714), (5551, 45332), (5978, 42094), (6476, 38857), (11102, 22666), (11333, 22204), (11956, 21047)]