1561072106

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{149}}^1\times {\mathrm{211}}^1$

素因数の和:471

約数の個数: 64

約数和(自身を含む): 2697148800

約数和(自身を除く): 1136076694

約数列:

[1, 2, 11, 22, 37, 61, 74, 122, 149, 211, 298, 407, 422, 671, 814, 1342, 1639, 2257, 2321, 3278, 4514, 4642, 5513, 7807, 9089, 11026, 12871, 15614, 18178, 24827, 25742, 31439, 49654, 60643, 62878, 85877, 99979, 121286, 141581, 171754, 199958, 283162, 336293, 345829, 476227, 672586, 691658, 952454, 1163243, 1917779, 2326486, 3699223, 3835558, 5238497, 7398446, 10476994, 12795673, 21095569, 25591346, 42191138, 70957823, 141915646, 780536053, 1561072106]

約数ペア:

[(1, 1561072106), (2, 780536053), (11, 141915646), (22, 70957823), (37, 42191138), (61, 25591346), (74, 21095569), (122, 12795673), (149, 10476994), (211, 7398446), (298, 5238497), (407, 3835558), (422, 3699223), (671, 2326486), (814, 1917779), (1342, 1163243), (1639, 952454), (2257, 691658), (2321, 672586), (3278, 476227), (4514, 345829), (4642, 336293), (5513, 283162), (7807, 199958), (9089, 171754), (11026, 141581), (12871, 121286), (15614, 99979), (18178, 85877), (24827, 62878), (25742, 60643), (31439, 49654)]