28685706

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{349}}^1$

素因数の和:483

約数の個数: 64

約数和(自身を含む): 69888000

約数和(自身を除く): 41202294

約数列:

[1, 2, 3, 6, 7, 14, 19, 21, 38, 42, 57, 103, 114, 133, 206, 266, 309, 349, 399, 618, 698, 721, 798, 1047, 1442, 1957, 2094, 2163, 2443, 3914, 4326, 4886, 5871, 6631, 7329, 11742, 13262, 13699, 14658, 19893, 27398, 35947, 39786, 41097, 46417, 71894, 82194, 92834, 107841, 139251, 215682, 251629, 278502, 503258, 682993, 754887, 1365986, 1509774, 2048979, 4097958, 4780951, 9561902, 14342853, 28685706]

約数ペア:

[(1, 28685706), (2, 14342853), (3, 9561902), (6, 4780951), (7, 4097958), (14, 2048979), (19, 1509774), (21, 1365986), (38, 754887), (42, 682993), (57, 503258), (103, 278502), (114, 251629), (133, 215682), (206, 139251), (266, 107841), (309, 92834), (349, 82194), (399, 71894), (618, 46417), (698, 41097), (721, 39786), (798, 35947), (1047, 27398), (1442, 19893), (1957, 14658), (2094, 13699), (2163, 13262), (2443, 11742), (3914, 7329), (4326, 6631), (4886, 5871)]