256621752

素因数分解:

$2^3\times 3^2\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{1721}}^1$

素因数の和:1861

約数の個数: 96

約数和(自身を含む): 738738000

約数和(自身を除く): 482116248

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 19, 24, 36, 38, 57, 72, 76, 109, 114, 152, 171, 218, 228, 327, 342, 436, 456, 654, 684, 872, 981, 1308, 1368, 1721, 1962, 2071, 2616, 3442, 3924, 4142, 5163, 6213, 6884, 7848, 8284, 10326, 12426, 13768, 15489, 16568, 18639, 20652, 24852, 30978, 32699, 37278, 41304, 49704, 61956, 65398, 74556, 98097, 123912, 130796, 149112, 187589, 196194, 261592, 294291, 375178, 392388, 562767, 588582, 750356, 784776, 1125534, 1177164, 1500712, 1688301, 2251068, 2354328, 3376602, 3564191, 4502136, 6753204, 7128382, 10692573, 13506408, 14256764, 21385146, 28513528, 32077719, 42770292, 64155438, 85540584, 128310876, 256621752]

約数ペア:

[(1, 256621752), (2, 128310876), (3, 85540584), (4, 64155438), (6, 42770292), (8, 32077719), (9, 28513528), (12, 21385146), (18, 14256764), (19, 13506408), (24, 10692573), (36, 7128382), (38, 6753204), (57, 4502136), (72, 3564191), (76, 3376602), (109, 2354328), (114, 2251068), (152, 1688301), (171, 1500712), (218, 1177164), (228, 1125534), (327, 784776), (342, 750356), (436, 588582), (456, 562767), (654, 392388), (684, 375178), (872, 294291), (981, 261592), (1308, 196194), (1368, 187589), (1721, 149112), (1962, 130796), (2071, 123912), (2616, 98097), (3442, 74556), (3924, 65398), (4142, 61956), (5163, 49704), (6213, 41304), (6884, 37278), (7848, 32699), (8284, 30978), (10326, 24852), (12426, 20652), (13768, 18639), (15489, 16568)]