39209885

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1$

素因数の和:150

約数の個数: 64

約数和(自身を含む): 59996160

約数和(自身を除く): 20786275

約数列:

[1, 5, 11, 13, 29, 31, 55, 61, 65, 143, 145, 155, 305, 319, 341, 377, 403, 671, 715, 793, 899, 1595, 1705, 1769, 1885, 1891, 2015, 3355, 3965, 4147, 4433, 4495, 8723, 8845, 9455, 9889, 11687, 19459, 20735, 20801, 22165, 22997, 24583, 43615, 49445, 54839, 58435, 97295, 104005, 114985, 122915, 128557, 252967, 270413, 274195, 603229, 642785, 712907, 1264835, 1352065, 3016145, 3564535, 7841977, 39209885]

約数ペア:

[(1, 39209885), (5, 7841977), (11, 3564535), (13, 3016145), (29, 1352065), (31, 1264835), (55, 712907), (61, 642785), (65, 603229), (143, 274195), (145, 270413), (155, 252967), (305, 128557), (319, 122915), (341, 114985), (377, 104005), (403, 97295), (671, 58435), (715, 54839), (793, 49445), (899, 43615), (1595, 24583), (1705, 22997), (1769, 22165), (1885, 20801), (1891, 20735), (2015, 19459), (3355, 11687), (3965, 9889), (4147, 9455), (4433, 8845), (4495, 8723)]