31170128

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{197}}^1$

素因数の和:276

約数の個数: 80

約数和(自身を含む): 70709760

約数和(自身を除く): 39539632

約数列:

[1, 2, 4, 8, 11, 16, 22, 29, 31, 44, 58, 62, 88, 116, 124, 176, 197, 232, 248, 319, 341, 394, 464, 496, 638, 682, 788, 899, 1276, 1364, 1576, 1798, 2167, 2552, 2728, 3152, 3596, 4334, 5104, 5456, 5713, 6107, 7192, 8668, 9889, 11426, 12214, 14384, 17336, 19778, 22852, 24428, 34672, 39556, 45704, 48856, 62843, 67177, 79112, 91408, 97712, 125686, 134354, 158224, 177103, 251372, 268708, 354206, 502744, 537416, 708412, 1005488, 1074832, 1416824, 1948133, 2833648, 3896266, 7792532, 15585064, 31170128]

約数ペア:

[(1, 31170128), (2, 15585064), (4, 7792532), (8, 3896266), (11, 2833648), (16, 1948133), (22, 1416824), (29, 1074832), (31, 1005488), (44, 708412), (58, 537416), (62, 502744), (88, 354206), (116, 268708), (124, 251372), (176, 177103), (197, 158224), (232, 134354), (248, 125686), (319, 97712), (341, 91408), (394, 79112), (464, 67177), (496, 62843), (638, 48856), (682, 45704), (788, 39556), (899, 34672), (1276, 24428), (1364, 22852), (1576, 19778), (1798, 17336), (2167, 14384), (2552, 12214), (2728, 11426), (3152, 9889), (3596, 8668), (4334, 7192), (5104, 6107), (5456, 5713)]