621570256

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{30517}}^1$

素因数の和:30611

約数の個数: 40

約数和(自身を含む): 1286638880

約数和(自身を除く): 665068624

約数列:

[1, 2, 4, 8, 16, 19, 38, 67, 76, 134, 152, 268, 304, 536, 1072, 1273, 2546, 5092, 10184, 20368, 30517, 61034, 122068, 244136, 488272, 579823, 1159646, 2044639, 2319292, 4089278, 4638584, 8178556, 9277168, 16357112, 32714224, 38848141, 77696282, 155392564, 310785128, 621570256]

約数ペア:

[(1, 621570256), (2, 310785128), (4, 155392564), (8, 77696282), (16, 38848141), (19, 32714224), (38, 16357112), (67, 9277168), (76, 8178556), (134, 4638584), (152, 4089278), (268, 2319292), (304, 2044639), (536, 1159646), (1072, 579823), (1273, 488272), (2546, 244136), (5092, 122068), (10184, 61034), (20368, 30517)]