521820390

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{191143}}^1$

素因数の和:191173

約数の個数: 64

約数和(自身を含む): 1541385216

約数和(自身を除く): 1019564826

約数列:

[1, 2, 3, 5, 6, 7, 10, 13, 14, 15, 21, 26, 30, 35, 39, 42, 65, 70, 78, 91, 105, 130, 182, 195, 210, 273, 390, 455, 546, 910, 1365, 2730, 191143, 382286, 573429, 955715, 1146858, 1338001, 1911430, 2484859, 2676002, 2867145, 4014003, 4969718, 5734290, 6690005, 7454577, 8028006, 12424295, 13380010, 14909154, 17394013, 20070015, 24848590, 34788026, 37272885, 40140030, 52182039, 74545770, 86970065, 104364078, 173940130, 260910195, 521820390]

約数ペア:

[(1, 521820390), (2, 260910195), (3, 173940130), (5, 104364078), (6, 86970065), (7, 74545770), (10, 52182039), (13, 40140030), (14, 37272885), (15, 34788026), (21, 24848590), (26, 20070015), (30, 17394013), (35, 14909154), (39, 13380010), (42, 12424295), (65, 8028006), (70, 7454577), (78, 6690005), (91, 5734290), (105, 4969718), (130, 4014003), (182, 2867145), (195, 2676002), (210, 2484859), (273, 1911430), (390, 1338001), (455, 1146858), (546, 955715), (910, 573429), (1365, 382286), (2730, 191143)]