42781178

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{149}}^1\times {\mathrm{421}}^1$

素因数の和:614

約数の個数: 32

約数和(自身を含む): 72921600

約数和(自身を除く): 30140422

約数列:

[1, 2, 11, 22, 31, 62, 149, 298, 341, 421, 682, 842, 1639, 3278, 4619, 4631, 9238, 9262, 13051, 26102, 50809, 62729, 101618, 125458, 143561, 287122, 690019, 1380038, 1944599, 3889198, 21390589, 42781178]

約数ペア:

[(1, 42781178), (2, 21390589), (11, 3889198), (22, 1944599), (31, 1380038), (62, 690019), (149, 287122), (298, 143561), (341, 125458), (421, 101618), (682, 62729), (842, 50809), (1639, 26102), (3278, 13051), (4619, 9262), (4631, 9238)]