28315656

素因数分解:

$2^3\times 3^4\times {\mathrm{37}}^1\times {\mathrm{1181}}^1$

素因数の和:1236

約数の個数: 80

約数和(自身を含む): 81522540

約数和(自身を除く): 53206884

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 37, 54, 72, 74, 81, 108, 111, 148, 162, 216, 222, 296, 324, 333, 444, 648, 666, 888, 999, 1181, 1332, 1998, 2362, 2664, 2997, 3543, 3996, 4724, 5994, 7086, 7992, 9448, 10629, 11988, 14172, 21258, 23976, 28344, 31887, 42516, 43697, 63774, 85032, 87394, 95661, 127548, 131091, 174788, 191322, 255096, 262182, 349576, 382644, 393273, 524364, 765288, 786546, 1048728, 1179819, 1573092, 2359638, 3146184, 3539457, 4719276, 7078914, 9438552, 14157828, 28315656]

約数ペア:

[(1, 28315656), (2, 14157828), (3, 9438552), (4, 7078914), (6, 4719276), (8, 3539457), (9, 3146184), (12, 2359638), (18, 1573092), (24, 1179819), (27, 1048728), (36, 786546), (37, 765288), (54, 524364), (72, 393273), (74, 382644), (81, 349576), (108, 262182), (111, 255096), (148, 191322), (162, 174788), (216, 131091), (222, 127548), (296, 95661), (324, 87394), (333, 85032), (444, 63774), (648, 43697), (666, 42516), (888, 31887), (999, 28344), (1181, 23976), (1332, 21258), (1998, 14172), (2362, 11988), (2664, 10629), (2997, 9448), (3543, 7992), (3996, 7086), (4724, 5994)]