157795778

素因数分解:

$2^1\times 7^3\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{137}}^1$

素因数の和:256

約数の個数: 64

約数和(自身を含む): 294105600

約数和(自身を除く): 136309822

約数列:

[1, 2, 7, 14, 23, 46, 49, 73, 98, 137, 146, 161, 274, 322, 343, 511, 686, 959, 1022, 1127, 1679, 1918, 2254, 3151, 3358, 3577, 6302, 6713, 7154, 7889, 10001, 11753, 13426, 15778, 20002, 22057, 23506, 25039, 44114, 46991, 50078, 70007, 82271, 93982, 140014, 154399, 164542, 230023, 308798, 460046, 490049, 575897, 980098, 1080793, 1151794, 1610161, 2161586, 3220322, 3430343, 6860686, 11271127, 22542254, 78897889, 157795778]

約数ペア:

[(1, 157795778), (2, 78897889), (7, 22542254), (14, 11271127), (23, 6860686), (46, 3430343), (49, 3220322), (73, 2161586), (98, 1610161), (137, 1151794), (146, 1080793), (161, 980098), (274, 575897), (322, 490049), (343, 460046), (511, 308798), (686, 230023), (959, 164542), (1022, 154399), (1127, 140014), (1679, 93982), (1918, 82271), (2254, 70007), (3151, 50078), (3358, 46991), (3577, 44114), (6302, 25039), (6713, 23506), (7154, 22057), (7889, 20002), (10001, 15778), (11753, 13426)]