16440190

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{173}}^1$

素因数の和:253

約数の個数: 64

約数和(自身を含む): 34727616

約数和(自身を除く): 18287426

約数列:

[1, 2, 5, 10, 13, 17, 26, 34, 43, 65, 85, 86, 130, 170, 173, 215, 221, 346, 430, 442, 559, 731, 865, 1105, 1118, 1462, 1730, 2210, 2249, 2795, 2941, 3655, 4498, 5590, 5882, 7310, 7439, 9503, 11245, 14705, 14878, 19006, 22490, 29410, 37195, 38233, 47515, 74390, 76466, 95030, 96707, 126463, 191165, 193414, 252926, 382330, 483535, 632315, 967070, 1264630, 1644019, 3288038, 8220095, 16440190]

約数ペア:

[(1, 16440190), (2, 8220095), (5, 3288038), (10, 1644019), (13, 1264630), (17, 967070), (26, 632315), (34, 483535), (43, 382330), (65, 252926), (85, 193414), (86, 191165), (130, 126463), (170, 96707), (173, 95030), (215, 76466), (221, 74390), (346, 47515), (430, 38233), (442, 37195), (559, 29410), (731, 22490), (865, 19006), (1105, 14878), (1118, 14705), (1462, 11245), (1730, 9503), (2210, 7439), (2249, 7310), (2795, 5882), (2941, 5590), (3655, 4498)]