72787428

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{288839}}^1$

素因数の和:288856

約数の個数: 36

約数和(自身を含む): 210275520

約数和(自身を除く): 137488092

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 288839, 577678, 866517, 1155356, 1733034, 2021873, 2599551, 3466068, 4043746, 5199102, 6065619, 8087492, 10398204, 12131238, 18196857, 24262476, 36393714, 72787428]

約数ペア:

[(1, 72787428), (2, 36393714), (3, 24262476), (4, 18196857), (6, 12131238), (7, 10398204), (9, 8087492), (12, 6065619), (14, 5199102), (18, 4043746), (21, 3466068), (28, 2599551), (36, 2021873), (42, 1733034), (63, 1155356), (84, 866517), (126, 577678), (252, 288839)]