221489784

素因数分解:

$2^3\times 3^2\times {\mathrm{421}}^1\times {\mathrm{7307}}^1$

素因数の和:7740

約数の個数: 48

約数和(自身を含む): 601375320

約数和(自身を除く): 379885536

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 421, 842, 1263, 1684, 2526, 3368, 3789, 5052, 7307, 7578, 10104, 14614, 15156, 21921, 29228, 30312, 43842, 58456, 65763, 87684, 131526, 175368, 263052, 526104, 3076247, 6152494, 9228741, 12304988, 18457482, 24609976, 27686223, 36914964, 55372446, 73829928, 110744892, 221489784]

約数ペア:

[(1, 221489784), (2, 110744892), (3, 73829928), (4, 55372446), (6, 36914964), (8, 27686223), (9, 24609976), (12, 18457482), (18, 12304988), (24, 9228741), (36, 6152494), (72, 3076247), (421, 526104), (842, 263052), (1263, 175368), (1684, 131526), (2526, 87684), (3368, 65763), (3789, 58456), (5052, 43842), (7307, 30312), (7578, 29228), (10104, 21921), (14614, 15156)]