1810444688

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{191}}^1\times {\mathrm{199}}^1\times {\mathrm{229}}^1$

素因数の和:640

約数の個数: 80

約数和(自身を含む): 3833088000

約数和(自身を除く): 2022643312

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 191, 199, 208, 229, 382, 398, 458, 764, 796, 916, 1528, 1592, 1832, 2483, 2587, 2977, 3056, 3184, 3664, 4966, 5174, 5954, 9932, 10348, 11908, 19864, 20696, 23816, 38009, 39728, 41392, 43739, 45571, 47632, 76018, 87478, 91142, 152036, 174956, 182284, 304072, 349912, 364568, 494117, 568607, 592423, 608144, 699824, 729136, 988234, 1137214, 1184846, 1976468, 2274428, 2369692, 3952936, 4548856, 4739384, 7905872, 8704061, 9097712, 9478768, 17408122, 34816244, 69632488, 113152793, 139264976, 226305586, 452611172, 905222344, 1810444688]

約数ペア:

[(1, 1810444688), (2, 905222344), (4, 452611172), (8, 226305586), (13, 139264976), (16, 113152793), (26, 69632488), (52, 34816244), (104, 17408122), (191, 9478768), (199, 9097712), (208, 8704061), (229, 7905872), (382, 4739384), (398, 4548856), (458, 3952936), (764, 2369692), (796, 2274428), (916, 1976468), (1528, 1184846), (1592, 1137214), (1832, 988234), (2483, 729136), (2587, 699824), (2977, 608144), (3056, 592423), (3184, 568607), (3664, 494117), (4966, 364568), (5174, 349912), (5954, 304072), (9932, 182284), (10348, 174956), (11908, 152036), (19864, 91142), (20696, 87478), (23816, 76018), (38009, 47632), (39728, 45571), (41392, 43739)]