1388403738

素因数分解:

$2^1\times 3^2\times {\mathrm{89}}^1\times {\mathrm{503}}^1\times {\mathrm{1723}}^1$

素因数の和:2323

約数の個数: 48

約数和(自身を含む): 3049824960

約数和(自身を除く): 1661421222

約数列:

[1, 2, 3, 6, 9, 18, 89, 178, 267, 503, 534, 801, 1006, 1509, 1602, 1723, 3018, 3446, 4527, 5169, 9054, 10338, 15507, 31014, 44767, 89534, 134301, 153347, 268602, 306694, 402903, 460041, 805806, 866669, 920082, 1380123, 1733338, 2600007, 2760246, 5200014, 7800021, 15600042, 77133541, 154267082, 231400623, 462801246, 694201869, 1388403738]

約数ペア:

[(1, 1388403738), (2, 694201869), (3, 462801246), (6, 231400623), (9, 154267082), (18, 77133541), (89, 15600042), (178, 7800021), (267, 5200014), (503, 2760246), (534, 2600007), (801, 1733338), (1006, 1380123), (1509, 920082), (1602, 866669), (1723, 805806), (3018, 460041), (3446, 402903), (4527, 306694), (5169, 268602), (9054, 153347), (10338, 134301), (15507, 89534), (31014, 44767)]