128263356

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{223}}^1\times {\mathrm{1229}}^1$

素因数の和:1475

約数の個数: 72

約数和(自身を含む): 351012480

約数和(自身を除く): 222749124

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 223, 234, 446, 468, 669, 892, 1229, 1338, 2007, 2458, 2676, 2899, 3687, 4014, 4916, 5798, 7374, 8028, 8697, 11061, 11596, 14748, 15977, 17394, 22122, 26091, 31954, 34788, 44244, 47931, 52182, 63908, 95862, 104364, 143793, 191724, 274067, 287586, 548134, 575172, 822201, 1096268, 1644402, 2466603, 3288804, 3562871, 4933206, 7125742, 9866412, 10688613, 14251484, 21377226, 32065839, 42754452, 64131678, 128263356]

約数ペア:

[(1, 128263356), (2, 64131678), (3, 42754452), (4, 32065839), (6, 21377226), (9, 14251484), (12, 10688613), (13, 9866412), (18, 7125742), (26, 4933206), (36, 3562871), (39, 3288804), (52, 2466603), (78, 1644402), (117, 1096268), (156, 822201), (223, 575172), (234, 548134), (446, 287586), (468, 274067), (669, 191724), (892, 143793), (1229, 104364), (1338, 95862), (2007, 63908), (2458, 52182), (2676, 47931), (2899, 44244), (3687, 34788), (4014, 31954), (4916, 26091), (5798, 22122), (7374, 17394), (8028, 15977), (8697, 14748), (11061, 11596)]