157660398

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{631}}^1\times {\mathrm{661}}^1$

素因数の和:1310

約数の個数: 64

約数和(自身を含む): 401648640

約数和(自身を除く): 243988242

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 126, 189, 378, 631, 661, 1262, 1322, 1893, 1983, 3786, 3966, 4417, 4627, 5679, 5949, 8834, 9254, 11358, 11898, 13251, 13881, 17037, 17847, 26502, 27762, 34074, 35694, 39753, 41643, 79506, 83286, 119259, 124929, 238518, 249858, 417091, 834182, 1251273, 2502546, 2919637, 3753819, 5839274, 7507638, 8758911, 11261457, 17517822, 22522914, 26276733, 52553466, 78830199, 157660398]

約数ペア:

[(1, 157660398), (2, 78830199), (3, 52553466), (6, 26276733), (7, 22522914), (9, 17517822), (14, 11261457), (18, 8758911), (21, 7507638), (27, 5839274), (42, 3753819), (54, 2919637), (63, 2502546), (126, 1251273), (189, 834182), (378, 417091), (631, 249858), (661, 238518), (1262, 124929), (1322, 119259), (1893, 83286), (1983, 79506), (3786, 41643), (3966, 39753), (4417, 35694), (4627, 34074), (5679, 27762), (5949, 26502), (8834, 17847), (9254, 17037), (11358, 13881), (11898, 13251)]