644672484

素因数分解:

$2^2\times 3^2\times {\mathrm{131}}^1\times {\mathrm{223}}^1\times {\mathrm{613}}^1$

素因数の和:977

約数の個数: 72

約数和(自身を含む): 1652082432

約数和(自身を除く): 1007409948

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 131, 223, 262, 393, 446, 524, 613, 669, 786, 892, 1179, 1226, 1338, 1572, 1839, 2007, 2358, 2452, 2676, 3678, 4014, 4716, 5517, 7356, 8028, 11034, 22068, 29213, 58426, 80303, 87639, 116852, 136699, 160606, 175278, 240909, 262917, 273398, 321212, 350556, 410097, 481818, 525834, 546796, 722727, 820194, 963636, 1051668, 1230291, 1445454, 1640388, 2460582, 2890908, 4921164, 17907569, 35815138, 53722707, 71630276, 107445414, 161168121, 214890828, 322336242, 644672484]

約数ペア:

[(1, 644672484), (2, 322336242), (3, 214890828), (4, 161168121), (6, 107445414), (9, 71630276), (12, 53722707), (18, 35815138), (36, 17907569), (131, 4921164), (223, 2890908), (262, 2460582), (393, 1640388), (446, 1445454), (524, 1230291), (613, 1051668), (669, 963636), (786, 820194), (892, 722727), (1179, 546796), (1226, 525834), (1338, 481818), (1572, 410097), (1839, 350556), (2007, 321212), (2358, 273398), (2452, 262917), (2676, 240909), (3678, 175278), (4014, 160606), (4716, 136699), (5517, 116852), (7356, 87639), (8028, 80303), (11034, 58426), (22068, 29213)]