388245466

素因数分解:

$2^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{619}}^1\times {\mathrm{631}}^1$

素因数の和:1330

約数の個数: 32

約数和(自身を含む): 677099520

約数和(自身を除く): 288854054

約数列:

[1, 2, 7, 14, 71, 142, 497, 619, 631, 994, 1238, 1262, 4333, 4417, 8666, 8834, 43949, 44801, 87898, 89602, 307643, 313607, 390589, 615286, 627214, 781178, 2734123, 5468246, 27731819, 55463638, 194122733, 388245466]

約数ペア:

[(1, 388245466), (2, 194122733), (7, 55463638), (14, 27731819), (71, 5468246), (142, 2734123), (497, 781178), (619, 627214), (631, 615286), (994, 390589), (1238, 313607), (1262, 307643), (4333, 89602), (4417, 87898), (8666, 44801), (8834, 43949)]