391590388

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{89}}^1\times {\mathrm{137}}^1$

素因数の和:305

約数の個数: 96

約数和(自身を含む): 845752320

約数和(自身を除く): 454161932

約数列:

[1, 2, 4, 7, 14, 28, 31, 37, 62, 74, 89, 124, 137, 148, 178, 217, 259, 274, 356, 434, 518, 548, 623, 868, 959, 1036, 1147, 1246, 1918, 2294, 2492, 2759, 3293, 3836, 4247, 4588, 5069, 5518, 6586, 8029, 8494, 10138, 11036, 12193, 13172, 16058, 16988, 19313, 20276, 23051, 24386, 29729, 32116, 35483, 38626, 46102, 48772, 59458, 70966, 77252, 85351, 92204, 102083, 118916, 141932, 157139, 170702, 204166, 314278, 341404, 377983, 408332, 451141, 628556, 714581, 755966, 902282, 1099973, 1429162, 1511932, 1804564, 2199946, 2645881, 2858324, 3157987, 4399892, 5291762, 6315974, 10583524, 12631948, 13985371, 27970742, 55941484, 97897597, 195795194, 391590388]

約数ペア:

[(1, 391590388), (2, 195795194), (4, 97897597), (7, 55941484), (14, 27970742), (28, 13985371), (31, 12631948), (37, 10583524), (62, 6315974), (74, 5291762), (89, 4399892), (124, 3157987), (137, 2858324), (148, 2645881), (178, 2199946), (217, 1804564), (259, 1511932), (274, 1429162), (356, 1099973), (434, 902282), (518, 755966), (548, 714581), (623, 628556), (868, 451141), (959, 408332), (1036, 377983), (1147, 341404), (1246, 314278), (1918, 204166), (2294, 170702), (2492, 157139), (2759, 141932), (3293, 118916), (3836, 102083), (4247, 92204), (4588, 85351), (5069, 77252), (5518, 70966), (6586, 59458), (8029, 48772), (8494, 46102), (10138, 38626), (11036, 35483), (12193, 32116), (13172, 29729), (16058, 24386), (16988, 23051), (19313, 20276)]