638888932

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{163}}^1\times {\mathrm{229}}^1\times {\mathrm{389}}^1$

素因数の和:796

約数の個数: 48

約数和(自身を含む): 1235707200

約数和(自身を除く): 596818268

約数列:

[1, 2, 4, 11, 22, 44, 163, 229, 326, 389, 458, 652, 778, 916, 1556, 1793, 2519, 3586, 4279, 5038, 7172, 8558, 10076, 17116, 37327, 63407, 74654, 89081, 126814, 149308, 178162, 253628, 356324, 410597, 697477, 821194, 979891, 1394954, 1642388, 1959782, 2789908, 3919564, 14520203, 29040406, 58080812, 159722233, 319444466, 638888932]

約数ペア:

[(1, 638888932), (2, 319444466), (4, 159722233), (11, 58080812), (22, 29040406), (44, 14520203), (163, 3919564), (229, 2789908), (326, 1959782), (389, 1642388), (458, 1394954), (652, 979891), (778, 821194), (916, 697477), (1556, 410597), (1793, 356324), (2519, 253628), (3586, 178162), (4279, 149308), (5038, 126814), (7172, 89081), (8558, 74654), (10076, 63407), (17116, 37327)]