28251314

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{397}}^1$

素因数の和:459

約数の個数: 64

約数和(自身を含む): 57770496

約数和(自身を除く): 29519182

約数列:

[1, 2, 7, 13, 14, 17, 23, 26, 34, 46, 91, 119, 161, 182, 221, 238, 299, 322, 391, 397, 442, 598, 782, 794, 1547, 2093, 2737, 2779, 3094, 4186, 5083, 5161, 5474, 5558, 6749, 9131, 10166, 10322, 13498, 18262, 35581, 36127, 47243, 63917, 71162, 72254, 87737, 94486, 118703, 127834, 155227, 175474, 237406, 310454, 614159, 830921, 1086589, 1228318, 1661842, 2017951, 2173178, 4035902, 14125657, 28251314]

約数ペア:

[(1, 28251314), (2, 14125657), (7, 4035902), (13, 2173178), (14, 2017951), (17, 1661842), (23, 1228318), (26, 1086589), (34, 830921), (46, 614159), (91, 310454), (119, 237406), (161, 175474), (182, 155227), (221, 127834), (238, 118703), (299, 94486), (322, 87737), (391, 72254), (397, 71162), (442, 63917), (598, 47243), (782, 36127), (794, 35581), (1547, 18262), (2093, 13498), (2737, 10322), (2779, 10166), (3094, 9131), (4186, 6749), (5083, 5558), (5161, 5474)]