211702972

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{3373}}^1$

素因数の和:3478

約数の個数: 48

約数和(自身を含む): 428524992

約数和(自身を除く): 216822020

約数列:

[1, 2, 4, 13, 17, 26, 34, 52, 68, 71, 142, 221, 284, 442, 884, 923, 1207, 1846, 2414, 3373, 3692, 4828, 6746, 13492, 15691, 31382, 43849, 57341, 62764, 87698, 114682, 175396, 229364, 239483, 478966, 745433, 957932, 1490866, 2981732, 3113279, 4071211, 6226558, 8142422, 12453116, 16284844, 52925743, 105851486, 211702972]

約数ペア:

[(1, 211702972), (2, 105851486), (4, 52925743), (13, 16284844), (17, 12453116), (26, 8142422), (34, 6226558), (52, 4071211), (68, 3113279), (71, 2981732), (142, 1490866), (221, 957932), (284, 745433), (442, 478966), (884, 239483), (923, 229364), (1207, 175396), (1846, 114682), (2414, 87698), (3373, 62764), (3692, 57341), (4828, 43849), (6746, 31382), (13492, 15691)]