199947982

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{821}}^1$

素因数の和:901

約数の個数: 64

約数和(自身を含む): 372859200

約数和(自身を除く): 172911218

約数列:

[1, 2, 13, 17, 19, 26, 29, 34, 38, 58, 221, 247, 323, 377, 442, 493, 494, 551, 646, 754, 821, 986, 1102, 1642, 4199, 6409, 7163, 8398, 9367, 10673, 12818, 13957, 14326, 15599, 18734, 21346, 23809, 27914, 31198, 47618, 121771, 181441, 202787, 243542, 265183, 309517, 362882, 404753, 405574, 452371, 530366, 619034, 809506, 904742, 3447379, 5261789, 5880823, 6894758, 7690307, 10523578, 11761646, 15380614, 99973991, 199947982]

約数ペア:

[(1, 199947982), (2, 99973991), (13, 15380614), (17, 11761646), (19, 10523578), (26, 7690307), (29, 6894758), (34, 5880823), (38, 5261789), (58, 3447379), (221, 904742), (247, 809506), (323, 619034), (377, 530366), (442, 452371), (493, 405574), (494, 404753), (551, 362882), (646, 309517), (754, 265183), (821, 243542), (986, 202787), (1102, 181441), (1642, 121771), (4199, 47618), (6409, 31198), (7163, 27914), (8398, 23809), (9367, 21346), (10673, 18734), (12818, 15599), (13957, 14326)]