201639476

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{163}}^1\times {\mathrm{397}}^1$

素因数の和:624

約数の個数: 48

約数和(自身を含む): 383799360

約数和(自身を除く): 182159884

約数列:

[1, 2, 4, 19, 38, 41, 76, 82, 163, 164, 326, 397, 652, 779, 794, 1558, 1588, 3097, 3116, 6194, 6683, 7543, 12388, 13366, 15086, 16277, 26732, 30172, 32554, 64711, 65108, 126977, 129422, 253954, 258844, 309263, 507908, 618526, 1229509, 1237052, 2459018, 2653151, 4918036, 5306302, 10612604, 50409869, 100819738, 201639476]

約数ペア:

[(1, 201639476), (2, 100819738), (4, 50409869), (19, 10612604), (38, 5306302), (41, 4918036), (76, 2653151), (82, 2459018), (163, 1237052), (164, 1229509), (326, 618526), (397, 507908), (652, 309263), (779, 258844), (794, 253954), (1558, 129422), (1588, 126977), (3097, 65108), (3116, 64711), (6194, 32554), (6683, 30172), (7543, 26732), (12388, 16277), (13366, 15086)]