1818688768

素因数分解:

$2^8\times {\mathrm{13}}^2\times {\mathrm{127}}^1\times {\mathrm{331}}^1$

素因数の和:500

約数の個数: 108

約数和(自身を含む): 3973928448

約数和(自身を除く): 2155239680

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 127, 128, 169, 208, 254, 256, 331, 338, 416, 508, 662, 676, 832, 1016, 1324, 1352, 1651, 1664, 2032, 2648, 2704, 3302, 3328, 4064, 4303, 5296, 5408, 6604, 8128, 8606, 10592, 10816, 13208, 16256, 17212, 21184, 21463, 21632, 26416, 32512, 34424, 42037, 42368, 42926, 43264, 52832, 55939, 68848, 84074, 84736, 85852, 105664, 111878, 137696, 168148, 171704, 211328, 223756, 275392, 336296, 343408, 422656, 447512, 546481, 550784, 672592, 686816, 895024, 1092962, 1101568, 1345184, 1373632, 1790048, 2185924, 2690368, 2747264, 3580096, 4371848, 5380736, 5494528, 7104253, 7160192, 8743696, 10761472, 14208506, 14320384, 17487392, 28417012, 34974784, 56834024, 69949568, 113668048, 139899136, 227336096, 454672192, 909344384, 1818688768]

約数ペア:

[(1, 1818688768), (2, 909344384), (4, 454672192), (8, 227336096), (13, 139899136), (16, 113668048), (26, 69949568), (32, 56834024), (52, 34974784), (64, 28417012), (104, 17487392), (127, 14320384), (128, 14208506), (169, 10761472), (208, 8743696), (254, 7160192), (256, 7104253), (331, 5494528), (338, 5380736), (416, 4371848), (508, 3580096), (662, 2747264), (676, 2690368), (832, 2185924), (1016, 1790048), (1324, 1373632), (1352, 1345184), (1651, 1101568), (1664, 1092962), (2032, 895024), (2648, 686816), (2704, 672592), (3302, 550784), (3328, 546481), (4064, 447512), (4303, 422656), (5296, 343408), (5408, 336296), (6604, 275392), (8128, 223756), (8606, 211328), (10592, 171704), (10816, 168148), (13208, 137696), (16256, 111878), (17212, 105664), (21184, 85852), (21463, 84736), (21632, 84074), (26416, 68848), (32512, 55939), (34424, 52832), (42037, 43264), (42368, 42926)]