206821356

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{211}}^1\times {\mathrm{1667}}^1$

素因数の和:1899

約数の個数: 72

約数和(自身を含む): 564371136

約数和(自身を除く): 357549780

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 84, 98, 147, 196, 211, 294, 422, 588, 633, 844, 1266, 1477, 1667, 2532, 2954, 3334, 4431, 5001, 5908, 6668, 8862, 10002, 10339, 11669, 17724, 20004, 20678, 23338, 31017, 35007, 41356, 46676, 62034, 70014, 81683, 124068, 140028, 163366, 245049, 326732, 351737, 490098, 703474, 980196, 1055211, 1406948, 2110422, 2462159, 4220844, 4924318, 7386477, 9848636, 14772954, 17235113, 29545908, 34470226, 51705339, 68940452, 103410678, 206821356]

約数ペア:

[(1, 206821356), (2, 103410678), (3, 68940452), (4, 51705339), (6, 34470226), (7, 29545908), (12, 17235113), (14, 14772954), (21, 9848636), (28, 7386477), (42, 4924318), (49, 4220844), (84, 2462159), (98, 2110422), (147, 1406948), (196, 1055211), (211, 980196), (294, 703474), (422, 490098), (588, 351737), (633, 326732), (844, 245049), (1266, 163366), (1477, 140028), (1667, 124068), (2532, 81683), (2954, 70014), (3334, 62034), (4431, 46676), (5001, 41356), (5908, 35007), (6668, 31017), (8862, 23338), (10002, 20678), (10339, 20004), (11669, 17724)]