28511172

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{571}}^1$

素因数の和:673

約数の個数: 72

約数和(自身を含む): 77036960

約数和(自身を除く): 48525788

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 57, 73, 76, 114, 146, 171, 219, 228, 292, 342, 438, 571, 657, 684, 876, 1142, 1314, 1387, 1713, 2284, 2628, 2774, 3426, 4161, 5139, 5548, 6852, 8322, 10278, 10849, 12483, 16644, 20556, 21698, 24966, 32547, 41683, 43396, 49932, 65094, 83366, 97641, 125049, 130188, 166732, 195282, 250098, 375147, 390564, 500196, 750294, 791977, 1500588, 1583954, 2375931, 3167908, 4751862, 7127793, 9503724, 14255586, 28511172]

約数ペア:

[(1, 28511172), (2, 14255586), (3, 9503724), (4, 7127793), (6, 4751862), (9, 3167908), (12, 2375931), (18, 1583954), (19, 1500588), (36, 791977), (38, 750294), (57, 500196), (73, 390564), (76, 375147), (114, 250098), (146, 195282), (171, 166732), (219, 130188), (228, 125049), (292, 97641), (342, 83366), (438, 65094), (571, 49932), (657, 43396), (684, 41683), (876, 32547), (1142, 24966), (1314, 21698), (1387, 20556), (1713, 16644), (2284, 12483), (2628, 10849), (2774, 10278), (3426, 8322), (4161, 6852), (5139, 5548)]