13220142772

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{37}}^2\times {\mathrm{61}}^1\times {\mathrm{2083}}^1$

素因数の和:2241

約数の個数: 72

約数和(自身を含む): 25451391840

約数和(自身を除く): 12231249068

約数列:

[1, 2, 4, 19, 37, 38, 61, 74, 76, 122, 148, 244, 703, 1159, 1369, 1406, 2083, 2257, 2318, 2738, 2812, 4166, 4514, 4636, 5476, 8332, 9028, 26011, 39577, 42883, 52022, 77071, 79154, 83509, 85766, 104044, 127063, 154142, 158308, 167018, 171532, 254126, 308284, 334036, 508252, 1464349, 1586671, 2414197, 2851627, 2928698, 3173342, 4701331, 4828394, 5703254, 5857396, 6346684, 9402662, 9656788, 11406508, 18805324, 54180913, 89325289, 108361826, 173949247, 178650578, 216723652, 347898494, 357301156, 695796988, 3305035693, 6610071386, 13220142772]

約数ペア:

[(1, 13220142772), (2, 6610071386), (4, 3305035693), (19, 695796988), (37, 357301156), (38, 347898494), (61, 216723652), (74, 178650578), (76, 173949247), (122, 108361826), (148, 89325289), (244, 54180913), (703, 18805324), (1159, 11406508), (1369, 9656788), (1406, 9402662), (2083, 6346684), (2257, 5857396), (2318, 5703254), (2738, 4828394), (2812, 4701331), (4166, 3173342), (4514, 2928698), (4636, 2851627), (5476, 2414197), (8332, 1586671), (9028, 1464349), (26011, 508252), (39577, 334036), (42883, 308284), (52022, 254126), (77071, 171532), (79154, 167018), (83509, 158308), (85766, 154142), (104044, 127063)]