1813271516

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{1229}}^1$

素因数の和:1371

約数の個数: 96

約数和(自身を含む): 3967488000

約数和(自身を除く): 2154216484

約数列:

[1, 2, 4, 7, 14, 23, 28, 29, 46, 58, 79, 92, 116, 158, 161, 203, 316, 322, 406, 553, 644, 667, 812, 1106, 1229, 1334, 1817, 2212, 2291, 2458, 2668, 3634, 4582, 4669, 4916, 7268, 8603, 9164, 9338, 12719, 16037, 17206, 18676, 25438, 28267, 32074, 34412, 35641, 50876, 52693, 56534, 64148, 71282, 97091, 105386, 113068, 142564, 194182, 197869, 210772, 249487, 368851, 388364, 395738, 498974, 679637, 737702, 791476, 819743, 997948, 1359274, 1475404, 1639486, 2233093, 2718548, 2815639, 3278972, 4466186, 5631278, 5738201, 8932372, 11262556, 11476402, 15631651, 19709473, 22952804, 31263302, 39418946, 62526604, 64759697, 78837892, 129519394, 259038788, 453317879, 906635758, 1813271516]

約数ペア:

[(1, 1813271516), (2, 906635758), (4, 453317879), (7, 259038788), (14, 129519394), (23, 78837892), (28, 64759697), (29, 62526604), (46, 39418946), (58, 31263302), (79, 22952804), (92, 19709473), (116, 15631651), (158, 11476402), (161, 11262556), (203, 8932372), (316, 5738201), (322, 5631278), (406, 4466186), (553, 3278972), (644, 2815639), (667, 2718548), (812, 2233093), (1106, 1639486), (1229, 1475404), (1334, 1359274), (1817, 997948), (2212, 819743), (2291, 791476), (2458, 737702), (2668, 679637), (3634, 498974), (4582, 395738), (4669, 388364), (4916, 368851), (7268, 249487), (8603, 210772), (9164, 197869), (9338, 194182), (12719, 142564), (16037, 113068), (17206, 105386), (18676, 97091), (25438, 71282), (28267, 64148), (32074, 56534), (34412, 52693), (35641, 50876)]