403777504

素因数分解:

$2^5\times {\mathrm{13}}^2\times {\mathrm{197}}^1\times {\mathrm{379}}^1$

素因数の和:612

約数の個数: 72

約数和(自身を含む): 867441960

約数和(自身を除く): 463664456

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 169, 197, 208, 338, 379, 394, 416, 676, 758, 788, 1352, 1516, 1576, 2561, 2704, 3032, 3152, 4927, 5122, 5408, 6064, 6304, 9854, 10244, 12128, 19708, 20488, 33293, 39416, 40976, 64051, 66586, 74663, 78832, 81952, 128102, 133172, 149326, 157664, 256204, 266344, 298652, 512408, 532688, 597304, 970619, 1024816, 1065376, 1194608, 1941238, 2049632, 2389216, 3882476, 7764952, 12618047, 15529904, 25236094, 31059808, 50472188, 100944376, 201888752, 403777504]

約数ペア:

[(1, 403777504), (2, 201888752), (4, 100944376), (8, 50472188), (13, 31059808), (16, 25236094), (26, 15529904), (32, 12618047), (52, 7764952), (104, 3882476), (169, 2389216), (197, 2049632), (208, 1941238), (338, 1194608), (379, 1065376), (394, 1024816), (416, 970619), (676, 597304), (758, 532688), (788, 512408), (1352, 298652), (1516, 266344), (1576, 256204), (2561, 157664), (2704, 149326), (3032, 133172), (3152, 128102), (4927, 81952), (5122, 78832), (5408, 74663), (6064, 66586), (6304, 64051), (9854, 40976), (10244, 39416), (12128, 33293), (19708, 20488)]