218318399

素因数分解:

${\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{73}}^1\times {\mathrm{181}}^1$

素因数の和:339

約数の個数: 32

約数和(自身を含む): 253413888

約数和(自身を除く): 35095489

約数列:

[1, 13, 31, 41, 73, 181, 403, 533, 949, 1271, 2263, 2353, 2993, 5611, 7421, 13213, 16523, 29419, 38909, 72943, 92783, 96473, 171769, 230051, 409603, 541733, 1206179, 2990663, 5324839, 7042529, 16793723, 218318399]

約数ペア:

[(1, 218318399), (13, 16793723), (31, 7042529), (41, 5324839), (73, 2990663), (181, 1206179), (403, 541733), (533, 409603), (949, 230051), (1271, 171769), (2263, 96473), (2353, 92783), (2993, 72943), (5611, 38909), (7421, 29419), (13213, 16523)]