208911108

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{157}}^1$

素因数の和:282

約数の個数: 144

約数和(自身を含む): 597133824

約数和(自身を除く): 388222716

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 31, 42, 49, 62, 73, 84, 93, 98, 124, 146, 147, 157, 186, 196, 217, 219, 292, 294, 314, 372, 434, 438, 471, 511, 588, 628, 651, 868, 876, 942, 1022, 1099, 1302, 1519, 1533, 1884, 2044, 2198, 2263, 2604, 3038, 3066, 3297, 3577, 4396, 4526, 4557, 4867, 6076, 6132, 6594, 6789, 7154, 7693, 9052, 9114, 9734, 10731, 11461, 13188, 13578, 14308, 14601, 15386, 15841, 18228, 19468, 21462, 22922, 23079, 27156, 29202, 30772, 31682, 34069, 34383, 42924, 45844, 46158, 47523, 58404, 63364, 68138, 68766, 80227, 92316, 95046, 102207, 110887, 136276, 137532, 160454, 190092, 204414, 221774, 238483, 240681, 320908, 332661, 355291, 408828, 443548, 476966, 481362, 561589, 665322, 710582, 715449, 953932, 962724, 1065873, 1123178, 1330644, 1421164, 1430898, 1684767, 2131746, 2246356, 2487037, 2861796, 3369534, 4263492, 4974074, 6739068, 7461111, 9948148, 14922222, 17409259, 29844444, 34818518, 52227777, 69637036, 104455554, 208911108]

約数ペア:

[(1, 208911108), (2, 104455554), (3, 69637036), (4, 52227777), (6, 34818518), (7, 29844444), (12, 17409259), (14, 14922222), (21, 9948148), (28, 7461111), (31, 6739068), (42, 4974074), (49, 4263492), (62, 3369534), (73, 2861796), (84, 2487037), (93, 2246356), (98, 2131746), (124, 1684767), (146, 1430898), (147, 1421164), (157, 1330644), (186, 1123178), (196, 1065873), (217, 962724), (219, 953932), (292, 715449), (294, 710582), (314, 665322), (372, 561589), (434, 481362), (438, 476966), (471, 443548), (511, 408828), (588, 355291), (628, 332661), (651, 320908), (868, 240681), (876, 238483), (942, 221774), (1022, 204414), (1099, 190092), (1302, 160454), (1519, 137532), (1533, 136276), (1884, 110887), (2044, 102207), (2198, 95046), (2263, 92316), (2604, 80227), (3038, 68766), (3066, 68138), (3297, 63364), (3577, 58404), (4396, 47523), (4526, 46158), (4557, 45844), (4867, 42924), (6076, 34383), (6132, 34069), (6594, 31682), (6789, 30772), (7154, 29202), (7693, 27156), (9052, 23079), (9114, 22922), (9734, 21462), (10731, 19468), (11461, 18228), (13188, 15841), (13578, 15386), (14308, 14601)]