215669038

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{421}}^1$

素因数の和:533

約数の個数: 64

約数和(自身を含む): 395599680

約数和(自身を除く): 179930642

約数列:

[1, 2, 13, 17, 19, 26, 34, 38, 61, 122, 221, 247, 323, 421, 442, 494, 646, 793, 842, 1037, 1159, 1586, 2074, 2318, 4199, 5473, 7157, 7999, 8398, 10946, 13481, 14314, 15067, 15998, 19703, 25681, 26962, 30134, 39406, 51362, 93041, 103987, 135983, 186082, 207974, 256139, 271966, 333853, 436577, 487939, 512278, 667706, 873154, 975878, 1767779, 3535558, 5675501, 6343207, 8294963, 11351002, 12686414, 16589926, 107834519, 215669038]

約数ペア:

[(1, 215669038), (2, 107834519), (13, 16589926), (17, 12686414), (19, 11351002), (26, 8294963), (34, 6343207), (38, 5675501), (61, 3535558), (122, 1767779), (221, 975878), (247, 873154), (323, 667706), (421, 512278), (442, 487939), (494, 436577), (646, 333853), (793, 271966), (842, 256139), (1037, 207974), (1159, 186082), (1586, 135983), (2074, 103987), (2318, 93041), (4199, 51362), (5473, 39406), (7157, 30134), (7999, 26962), (8398, 25681), (10946, 19703), (13481, 15998), (14314, 15067)]